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Sensors and Materials, Volume 33, Number 1(3) (2021)
Copyright(C) MYU K.K.
pp. 471-478
S&M2468 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2021.3032
Published: January 31, 2021

Effect of Center of Mass on Vibration-sensing Technology for Diesel Engine [PDF]

Jianbin Liao, HongLiang Yu, Yuchao Song, Xueping Guo and Chih-Cheng Chen

(Received July 20, 2020; Accepted November 16, 2020)

Keywords: diesel engine, isolation system, isolator, multibody dynamics

Different centers of mass (CMs) of a diesel engine were set to find their effects on the vertical vibration of an engine. To understand the effects and reduce vibration during sensing, we changed the location of the CM of the engine and performed a simulation to obtain data such as the vertical movements, velocity, torque, and acceleration of the vertical springs of isolators. The data showed that a 0.1 mm higher CM than the original CM of the engine reduced the amplitude of the vertical vibration by 4.35% and the velocity of the vertical vibration by 45.7% at a fixed rotation speed of the engine of 1000 revolutions per minute (rpm). Different CMs did not significantly affect the torque and acceleration. Instead, the phase of the vertical movements, the velocity, and the acceleration significantly changed with the CM in the simulation. The results imply that the CM needs to be considered in the design of the vibration isolation system of a diesel engine to increase the accuracy and lifetime of sensors used in vehicles under severe vibration conditions.

Corresponding author: HongLiang Yu, Chih-Cheng Chen


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Cite this article
Jianbin Liao, HongLiang Yu, Yuchao Song, Xueping Guo and Chih-Cheng Chen, Effect of Center of Mass on Vibration-sensing Technology for Diesel Engine, Sens. Mater., Vol. 33, No. 1, 2021, p. 471-478.



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